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      <a href="/2016/12/11/vue2-notes-8-use-datatable-with-server/" title="Vue2使用笔记8--vue与datatables(二)：服务端渲染" itemprop="url">Vue2使用笔记8--vue与datatables(二)：服务端渲染</a>
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    <time datetime="2016-12-11T08:06:54.000Z" itemprop="datePublished">2016-12-11</time>
    更新日期:<time datetime="2018-12-18T15:41:36.636Z" itemprop="dateModified">2018-12-18</time>
    
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			<strong class="toc-title">文章目录</strong>
		<ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#datatables服务器处理"><span class="toc-number">1.</span> <span class="toc-text">datatables服务器处理</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#服务器模式"><span class="toc-number">1.1.</span> <span class="toc-text">服务器模式</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#服务端处理"><span class="toc-number">1.2.</span> <span class="toc-text">服务端处理</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#返回的数据处理"><span class="toc-number">1.3.</span> <span class="toc-text">返回的数据处理</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#使用datatables服务器模式渲染列表"><span class="toc-number">2.</span> <span class="toc-text">使用datatables服务器模式渲染列表</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#Products-vue组件"><span class="toc-number">2.1.</span> <span class="toc-text">Products.vue组件</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#json展示"><span class="toc-number">2.2.</span> <span class="toc-text">json展示</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#页面效果"><span class="toc-number">2.3.</span> <span class="toc-text">页面效果</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#结束语"><span class="toc-number">3.</span> <span class="toc-text">结束语</span></a></li></ol>
		</div>
		
		<p>最近在使用Vue2作为项目中前端的框架，《Vue2使用笔记》系列用于记录过程中的一些使用和解决方法。<br>本文记录vue中调用datatables，使用datatables服务器处理的过程。<br><a id="more"></a></p>
<h2 id="datatables服务器处理"><a href="#datatables服务器处理" class="headerlink" title="datatables服务器处理"></a>datatables服务器处理</h2><hr>
<p>上一节我们使用静态html进行初始化dataTables，有一个很局限的问题，就是需要一次性加载完所有的数据。<br>但是无论从浏览器还是服务端来看，都会发现这并不是一个好选择。因此我们可以开启服务器处理的方式。</p>
<h3 id="服务器模式"><a href="#服务器模式" class="headerlink" title="服务器模式"></a>服务器模式</h3><p>DataTables提供了服务器模式，把本来客户端所做的事情交给服务器去处理，比如排序（order）、分页（paging）、过滤（filter）。<br>对于客户端来说这些操作都是比较消耗资源的， 所以打开服务器模式后不用担心这些操作会影响到用户体验。</p>
<p>当你打开服务器模式的时候，每次绘制表格的时候，DataTables会给服务器发送一个请求（包括当前分页，排序，搜索参数等等）。DataTables会向服务器发送一些参数去执行所需要的处理，然后在服务器组装好相应的数据返回给DataTables。</p>
<p>开启服务器模式需要使用serverSideOption和ajaxOption ajax不定时一讲选项。</p>
<h3 id="服务端处理"><a href="#服务端处理" class="headerlink" title="服务端处理"></a>服务端处理</h3><p>当开启服务器模式时，服务端接受到的参数和需要返回的数据都是固定的，固此时需要服务端进行相关的处理。</p>
<p>由于这里我们只讨论前端相关的，固感兴趣的小伙伴麻烦自行查看文档：<br><a href="http://datatables.club/manual/server-side.html" target="_blank" rel="external">服务器处理(Server-side processing)</a></p>
<h3 id="返回的数据处理"><a href="#返回的数据处理" class="headerlink" title="返回的数据处理"></a>返回的数据处理</h3><p>这时候服务端返回的数据格式为：<br><figure class="highlight json"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div></pre></td><td class="code"><pre><div class="line">&#123;</div><div class="line">    <span class="attr">"draw"</span>: <span class="number">1</span>,</div><div class="line">    <span class="attr">"recordsTotal"</span>: <span class="number">57</span>,</div><div class="line">    <span class="attr">"recordsFiltered"</span>: <span class="number">57</span>,</div><div class="line">    <span class="attr">"data"</span>: [</div><div class="line">        &#123;</div><div class="line">            <span class="attr">"DT_RowId"</span>: <span class="string">"row_3"</span>,</div><div class="line">            <span class="attr">"DT_RowData"</span>: &#123;</div><div class="line">                <span class="attr">"pkey"</span>: <span class="number">3</span></div><div class="line">            &#125;,</div><div class="line">            <span class="attr">"first_name"</span>: <span class="string">"Angelica"</span>,</div><div class="line">            <span class="attr">"last_name"</span>: <span class="string">"Ramos"</span>,</div><div class="line">            <span class="attr">"position"</span>: <span class="string">"System Architect"</span>,</div><div class="line">            <span class="attr">"office"</span>: <span class="string">"London"</span>,</div><div class="line">            <span class="attr">"start_date"</span>: <span class="string">"9th Oct 09"</span>,</div><div class="line">            <span class="attr">"salary"</span>: <span class="string">"$2,875"</span></div><div class="line">        &#125;,</div><div class="line">        &#123;</div><div class="line">            <span class="attr">"DT_RowId"</span>: <span class="string">"row_17"</span>,</div><div class="line">            <span class="attr">"DT_RowData"</span>: &#123;</div><div class="line">                <span class="attr">"pkey"</span>: <span class="number">17</span></div><div class="line">            &#125;,</div><div class="line">            <span class="attr">"first_name"</span>: <span class="string">"Ashton"</span>,</div><div class="line">            <span class="attr">"last_name"</span>: <span class="string">"Cox"</span>,</div><div class="line">            <span class="attr">"position"</span>: <span class="string">"Technical Author"</span>,</div><div class="line">            <span class="attr">"office"</span>: <span class="string">"San Francisco"</span>,</div><div class="line">            <span class="attr">"start_date"</span>: <span class="string">"12th Jan 09"</span>,</div><div class="line">            <span class="attr">"salary"</span>: <span class="string">"$4,800"</span></div><div class="line">        &#125;,</div><div class="line">        ...</div><div class="line">    ]</div><div class="line">&#125;</div></pre></td></tr></table></figure></p>
<p>这里我们会需要对表格的每列进行处理，使用到columns的配置项，这里我们简单列出比较常用的选项：</p>
<ul>
<li>columns.className：为指定的列的每个单元格都指定一个css class</li>
<li>columns.createdCell：单元格生成以后的回调函数，这样你可以在这里改变DOM</li>
<li>columns.data：设置列的数据源，即如何从整个Table的数据源(object/array)中获得</li>
<li>columns.orderable：在该列上允许或者禁止排序功能</li>
<li>…</li>
</ul>
<h2 id="使用datatables服务器模式渲染列表"><a href="#使用datatables服务器模式渲染列表" class="headerlink" title="使用datatables服务器模式渲染列表"></a>使用datatables服务器模式渲染列表</h2><hr>
<p>这里我们将修改产品列表，来进行这次服务器模式的展示。</p>
<h3 id="Products-vue组件"><a href="#Products-vue组件" class="headerlink" title="Products.vue组件"></a>Products.vue组件</h3><p>Products.vue组件的html模板不需要调整，需要调整的是相关的组件逻辑代码：<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div><div class="line">33</div><div class="line">34</div><div class="line">35</div><div class="line">36</div><div class="line">37</div><div class="line">38</div><div class="line">39</div><div class="line">40</div><div class="line">41</div><div class="line">42</div><div class="line">43</div><div class="line">44</div><div class="line">45</div><div class="line">46</div><div class="line">47</div><div class="line">48</div><div class="line">49</div><div class="line">50</div><div class="line">51</div><div class="line">52</div><div class="line">53</div><div class="line">54</div><div class="line">55</div><div class="line">56</div><div class="line">57</div><div class="line">58</div><div class="line">59</div><div class="line">60</div><div class="line">61</div><div class="line">62</div><div class="line">63</div><div class="line">64</div><div class="line">65</div><div class="line">66</div><div class="line">67</div><div class="line">68</div><div class="line">69</div><div class="line">70</div><div class="line">71</div><div class="line">72</div><div class="line">73</div><div class="line">74</div><div class="line">75</div><div class="line">76</div><div class="line">77</div><div class="line">78</div><div class="line">79</div><div class="line">80</div><div class="line">81</div><div class="line">82</div><div class="line">83</div><div class="line">84</div><div class="line">85</div><div class="line">86</div><div class="line">87</div><div class="line">88</div><div class="line">89</div><div class="line">90</div><div class="line">91</div><div class="line">92</div><div class="line">93</div></pre></td><td class="code"><pre><div class="line">&lt;script&gt;</div><div class="line">    export default &#123;</div><div class="line">        name: &apos;Products&apos;,</div><div class="line">        data() &#123;</div><div class="line">            return &#123;</div><div class="line">                products: [],</div><div class="line">                productsTable: &#123;&#125;</div><div class="line">            &#125;</div><div class="line">        &#125;,</div><div class="line">        methods: &#123;</div><div class="line">            showJson(json) &#123;</div><div class="line">                return FormatJson(json);</div><div class="line">            &#125;,</div><div class="line">            getProducts(&#123;</div><div class="line">                terminalId,</div><div class="line">                p,</div><div class="line">                s</div><div class="line">            &#125;) &#123;</div><div class="line">                var that = this;</div><div class="line">                var url = `./static/products.json` + UrlEncode(&#123;</div><div class="line">                    terminalId,</div><div class="line">                    p,</div><div class="line">                    s</div><div class="line">                &#125;);</div><div class="line">                that.productsTable.ajax.url(url).load();</div><div class="line">            &#125;</div><div class="line">        &#125;,</div><div class="line">        mounted() &#123;</div><div class="line">            //this.getProducts();</div><div class="line">            var that = this;</div><div class="line">            var table = $(&apos;#products-datatable&apos;).dataTable(&#123;</div><div class="line">                processing: true,</div><div class="line">                serverSide: true,</div><div class="line">                destroy: true,</div><div class="line">                ajax: &#123;</div><div class="line">                    url: `./static/products.json`</div><div class="line">                &#125;,</div><div class="line">                columns: [&#123;</div><div class="line">                    data: &quot;productName&quot; //产品名字</div><div class="line">                &#125;, &#123;</div><div class="line">                    data: &quot;terminalName&quot; //服务名字</div><div class="line">                &#125;, &#123;</div><div class="line">                    data(val) &#123; // 返回是否激活</div><div class="line">                        return val === 1 ? &apos;是&apos; : &apos;否&apos;;</div><div class="line">                    &#125;</div><div class="line">                &#125;, &#123;</div><div class="line">                    data: &quot;uuid&quot; //uuid</div><div class="line">                &#125;, &#123;</div><div class="line">                    data(val) &#123; //返回是否启用</div><div class="line">                        return val === 1 ? &apos;启用&apos; : &apos;未启用&apos;;</div><div class="line">                    &#125;</div><div class="line">                &#125;, &#123;</div><div class="line">                    data: &quot;activeDate&quot; //启用时间</div><div class="line">                &#125;, &#123;</div><div class="line">                    data: &quot;expiresDate&quot; //到期时间</div><div class="line">                &#125;, &#123;</div><div class="line">                    data: &quot;registerDate&quot; //注册时间</div><div class="line">                &#125;, &#123;</div><div class="line">                    data: &quot;activateDate&quot; //激活时间</div><div class="line">                &#125;, &#123;</div><div class="line">                    data(val) &#123;</div><div class="line">                        return val;</div><div class="line">                    &#125;,</div><div class="line">                    createdCell(td, cellData, rowData, row, col) &#123; //设置tooltip，以及将json进行html模板输出</div><div class="line">                        $(td).attr(&apos;title&apos;, FormatJson(cellData)).attr(&apos;data-toggle&apos;, &apos;tooltip&apos;).attr(&apos;data-placement&apos;, &apos;left&apos;).attr(&apos;data-html&apos;, &apos;true&apos;).html(&apos;...&apos;);</div><div class="line">                    &#125;,</div><div class="line">                    orderable: false //取消排序功能</div><div class="line">                &#125;, &#123;</div><div class="line">                    createdCell(td, cellData, rowData, row, col) &#123; //添加按钮</div><div class="line">                        $(td).html(`$&#123;rowData.state === 1 ?&apos;&apos; :&apos;&lt;a href=&quot;#&quot; class=&quot;btn btn-primary btn-xs&quot;&gt;&lt;i class=&quot;fa fa-bolt&quot;&gt;&lt;/i&gt; 激活 &lt;/a&gt;&apos;&#125;`);</div><div class="line">                        //此处可添加相关事件</div><div class="line">                    &#125;,</div><div class="line">                    orderable: false //取消排序功能</div><div class="line">                &#125;],</div><div class="line">                drawCallback: function(settings) &#123;</div><div class="line">                    //表格每次重绘回调函数，此处可进行相关插件初始化</div><div class="line">                    SetTooltip();</div><div class="line">                &#125;,</div><div class="line">                language: &#123;</div><div class="line">                    &quot;url&quot;: &quot;./static/datatable_zh_CN.json&quot;</div><div class="line">                &#125;</div><div class="line">            &#125;).api();</div><div class="line">            //保存datatables对象，可进行相关的api调用</div><div class="line">            that.$set(that, &apos;productsTable&apos;, table);</div><div class="line">        &#125;,</div><div class="line">        destroyed() &#123;</div><div class="line">            try &#123;</div><div class="line">                //移除datatables</div><div class="line">                this.productsTable.destroy();</div><div class="line">            &#125; catch (e) &#123;&#125;</div><div class="line">        &#125;</div><div class="line">    &#125;</div><div class="line">&lt;/script&gt;</div></pre></td></tr></table></figure></p>
<p><a href="">传送门：Vue2使用笔记7–vue与datatables(一):浏览器渲染</a></p>
<h3 id="json展示"><a href="#json展示" class="headerlink" title="json展示"></a>json展示</h3><p>这里我们需要将json数据展示为html，本骚年写过两个方法进行实现，大家可以参考之前的文章。<br>传送门：</p>
<ul>
<li><a href="/2016/11/13/json-to-html-1-use-string-regular/">《将json输出为html(一)：字符串正则匹配》</a></li>
<li><a href="/2016/11/13/json-to-html-2-use-object/">《将json输出为html(二)：js数据类型判断实现》</a></li>
</ul>
<h3 id="页面效果"><a href="#页面效果" class="headerlink" title="页面效果"></a>页面效果</h3><p><img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/FB2B.tmp.png" alt="image"></p>
<h2 id="结束语"><a href="#结束语" class="headerlink" title="结束语"></a>结束语</h2><hr>
<p>这里我们使用了dataTables的另外一种使用方法–服务端渲染，这种方法虽然需要服务端按照相关约定进行调整，但是相比一次性加载所有的数据来说，还是方便很多的呢。<br><a href="https://github.com/godbasin/godbasin.github.io/tree/blog-codes/vue2-notes/8-use-datatable-with-server" target="_blank" rel="external">此处查看项目代码</a><br><a href="http://vue2-notes.godbasin.com/8-use-datatable-with-server/index.html#/app/products" target="_blank" rel="external">此处查看页面效果</a></p>
  
		
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			查看Github有更多内容噢：<a href="https://github.com/godbasin">https://github.com/godbasin</a>
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	<p style="text-align: center;margin-top: 10px;margin-bottom: 20px;">码生艰难，写文不易，给我家猪囤点猫粮了喵~</p>
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  		<p>作者：被删</p>
  		<p>出处：<a href="https://godbasin.github.io">https://godbasin.github.io</a></p>
  		<p>本文版权归作者所有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。</p>
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